cxa1511m Sony Electronics, cxa1511m Datasheet - Page 5

• Manufacturer Part Number: cxa1511m
• Description: Preamplifier For Remote Control Signal Reception
• Manufacturer: Sony Electronics

Electrical Characteristics Measurement Circuit
Application Circuit
(CXA1511L)
Description of Operation (See the Block Diagram.)
Receives infrared signals transmitted from the infrared remote control commander with a photodiode to output
them as rectangular waves.
Pin 1
Input waveform
Pin 3
BPF output
waveform
Hysteresis
comparator
input waveform
Pin 7
Output
waveform
I/O pin
PH302B
Photo
Diode
1
0.01µ
2
40µVp-p
to 2.5Vp-p
470,
680
100µA
0.01µ
I1
A
3
CXA1511L
S4
4
1
S1
5
600µs
S2
Waveform
200k
1%
(fo = 40kHz)
50
0.47µ
6
S3
0.47µ
S5
OUT
7
2
typ.
S6
470
0.01µ
8
SG
47µ
47
0.01µ
40kHz (typ.)
S7
+5V
5V
0.6V
(typ.)
S8
1.0V
– 5 –
E1
S9
3
Suppresses the noise component with BPF and
BEF.
Converts the signal current of a photodiode into
voltage and amplifies it.
Detects the signal component and performs
wave detection.
Integrates the signal component and outputs it
as rectangular wave from the hysteresis
comparator.
4
330k
5
(CXA1511M)
+5V
6
PH302B
200k
B
Photo
Diode
47µ
47
C
7
1
8
8
0.01µ 0.01µ
CXA1511M
Operation
OUT
7
2
470,
680
D
6
3
5.0V
E2
5
4
200k
1%
(fo = 40kHz)
CXA1511L/M